Circuit Breakers

 Circuit Breakers
Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
More...


Please view our large selection of circuit breakers below.

Results: 162,059
Select Image Part # Mfr. Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
E-T-A Circuit Breakers 8In Stock
20Expected 1/1/2027
NT$3,047.61
NT$2,528.14
NT$2,377.21
NT$1,981.07
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers LG 3 POLE 150KA FRAME ONLY 1In Stock
NT$536,645.82
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI 1In Stock
NT$78,029.32
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU 3In Stock
NT$42,156.73
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL 1In Stock
NT$59,104.46
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU 4In Stock
NT$35,540.61
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A 1In Stock
NT$116,216.38
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V 3In Stock
NT$35,525.20
NT$28,384.24
NT$27,097.58
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A 1In Stock
NT$51,551.94
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU 2In Stock
NT$32,615.61
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI 1In Stock
NT$93,752.77
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 2In Stock
NT$99,032.40
Min.: 1
Mult.: 1
Eaton Electrical HM2P250J5
Eaton Electrical Circuit Breakers 2P 250AMP HMCP 1In Stock
NT$85,677.56
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX 14In Stock
NT$3,767.12
NT$3,224.35
NT$3,202.12
NT$2,809.56
Min.: 1
Mult.: 1
REX22D Circuit Breakers 16 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX 4In Stock
NT$4,569.80
NT$3,807.99
NT$3,668.17
NT$3,326.52
Min.: 1
Mult.: 1
REX22D Circuit Breakers 2 A, 3 A, 4 A, 6 A, 8 A, 10 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX 13In Stock
NT$4,569.80
NT$3,884.35
NT$3,326.52
NT$3,192.44
Min.: 1
Mult.: 1
REX22D Circuit Breakers 2 A, 4 A, 6 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX 9In Stock
NT$3,721.95
NT$3,102.46
NT$2,888.79
Min.: 1
Mult.: 1
REX22D Circuit Breakers 1 A to 3.6 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers E 3P 50A 25kA 415&480V FXD therm FXD mag 1In Stock
NT$39,185.48
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD 1In Stock
NT$49,487.34
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX 5In Stock
NT$4,035.63
NT$3,406.83
NT$2,729.26
NT$2,707.39
Min.: 1
Mult.: 1
REX22D Circuit Breakers 12 A, 16 A, 20 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R 1In Stock
NT$13,224.35
NT$9,238.55
NT$8,622.64
NT$7,925.36
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,20A,ATX 7In Stock
NT$3,767.12
NT$3,224.35
NT$3,092.42
NT$2,809.56
Min.: 1
Mult.: 1
REX22D Circuit Breakers 20 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC 1In Stock
NT$17,299.06
NT$14,330.32
NT$13,212.16
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm 1In Stock
4Expected 12/14/2026
NT$52,899.90
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE 1In Stock
NT$15,483.26
NT$12,826.41
NT$11,820.82
Min.: 1
Mult.: 1
Circuit Breakers Miniature 2.5 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated